Hand lasting-tool.



No. 656,766; Patented oct. 2, |966.

N. nussAuLT.

HAND LASTING TUOL.

(Application led Dec. 16, 1899.)

No. 658,766. r-'atenwd not. 2, |900.

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HAN!) LASTING TOOL. (Application led Dec. 16, 1899.)

@No model.) s sheets-shear 2.

Patentedct. 2, |900. N. DUSSAULT. i

HAND LASTING TOOL.

(Application med Dec. 16, 1899.)

5 SheetsShee1 3.

(No Model.)

Witnesses 1 Tm'. miams Penas cmmmrcuwo. wAshmsvcu. D. c.

No. 658,766. Patonted Oct. 2, i900.

' N. DUSSAULT.

HAND LAS'TING TOUL.

iApplcation filed Dec. 16, 1899.) (No Model.) 5 Sheets-Sheet 4.

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No. 658,766. Patented Oct; 2, i900.

Nv. DUSSAULT. HAND LASTING TOUL.

(Ap'pncationmed Dec. xe, 1899.) (No Model.) 5 Sheets-Sheet 5.

NAPOLEON DUssAULT, OF MONTREAL, CANADA, AssIeNOR To JOSEPH ADAM, OESAMEPLACE. f

HAND LAsTiNjG-'Toon SPECIFICATION forming part of Letters Patent N o.658,766, dated 'October 2, 1900.

Application filed December 16, 1899. Serial No. 740,547. (No model.)

To all whom it may concern.'

Be it known that I, NAPOLEON DUssAULT, a subject of Her Majesty theQueen of Great Britain, residing in the city and district of Montreal,Province of Quebec, Canada, have invented certain new and usefulImprovements inl-land Lasting-Tools; and I do hereby declare that thefollowingis a full,olear, and exact description of the invention, suchas will enable others skilled in the art to which it appertains to makeand use the same.

This invention relates to hand lasting-tools; and its object is toprovide a tool of this character which is simple in construction, of fewparts, eifective in operation, and which may be manufactured at amoderate cost.

To these ends the invention consists in a hand lasting-tool constructedsubstantially as hereinafter illustrated and described and dened in theappended claims.

Referring to the drawings, in which similar letters of referenceindicate similar parts, Figure l is a view in perspective of a handlasting-tool constructed in accordance with this invention. Fig. 2 is anelevation thereof, the parts being in the position assumed prior todriving the nail.

ed have generally been very complicated,- comprising many parts andentailing great- InV the type expense in their manufacture. shown in thepatent to Frechette, N o. 594,241', on which this invention is animprovement, not only are the objections above noted apparent, but thereexists the further objection that in the event of the nail' being brokenor of failure to be properly fed to the plunger it is necessary to takethe tool apart in order to bring the nails down into their op- 5oerative position, thus necessitating a serious Ashown in Figs. 4 and 5.

Fig. 3 is a viewV similar to Fig. 2, showing the opposite side of llossof time and involving considerable trouble and inconvenience. In thetool about to be described all of these defects and objections areobviated and a hand lasting-tool provided which in the event of thefailure of the nails to be properly fed to the plunger or of breakage ofthe same does not need to be taken apart, thus saving time and trouble,in addition to the advantages of simplicity of construction andoperation and reduced cost of manufacture.

In the drawings, A and B represent two levers suitably pivoted togetherand pro vided with handles A and B' and jaws A2 and B2. The lever B hasalug b on its under side, having a roughened face. The lever A isprovided at the outer end with a frame `A3, in which is formed anopening a, extending therethrough from top to bottom. In the upperportion of the frame A3 is fixed a plug o', which has its sides inclinedfrom top to bottom and is provided in its upper portion with a passagea2 for the nails, as clearly The passage a2 communicates with theOpening a, and a suitable leaf-spring o3 is secured to the upper portionof the plug u.' and bears at its lower portion against the inclined sideof said plug.

The construction and operation ofthe parts above described aresubstantially'the same as those disclosed in a companion application,Serial No. 739,881, in which -is shown a modified construction of thenail-driver.

l The outer portion of the frame A3 is provided with anupwardly-extending lug a4, in which is formed a vertical socket a5 forthe :reception of the guide-rod d5, forming a portion of the plunger D.The upper portion of the lug 034 is provided with a rearwardly-extendingarm 0,6, in which is fixed an upwardlyprojecting guide-rod n.7, whichengages an opening in an oifset as, formed upon the plunger D. Upon theopposite side of the upper portion of the lug a4 extends a bifurcatedarm a9. Upon the side of the plunger opposite the offset as is formed anextension having an opening d10, which is preferably provided withstraight sides and in which is loosely mounted the feed-rod carrier D',the screw-rod ct" forming the supporting connec- IOO tion for saidcarrier, said screw-rod being removably secured in said extension toenable the parts being readily taken apart.

The carrier D' extends downwardly and is guided in the bifurcated arm aiagainst lateral movement. The lower end of the carrier is split, forminga spring-clamp d, which is provided with a suitable binding-screw. Athreaded perforation d2 is formed in the lower portion of the carrier Dand communicates with open-sided channels (Z2, formed upon the adjacentfaces of the clamp d'. A feed-rod or nail-driver D2 is threaded in theperforation d2 and is seated in the grooves d2, the lower end of saidfeed-rod projecting beyond the edge of the carrier D and eX- tendinginto the opening a of the frame A2. The extremity of the feed-rod D2 issuitably sharpened for cutting off the nails.

The body portion of the carrier D' below the feed-rod D2 is downwardlyinclined, forming an inclined bearing-surface d", which is adapted toengage in its downward movement with a corresponding inclinedbearing-surface d, formed on the lower portion of the guiding-bracket E.'lhe bracket E is constructed with the spaced sides e', which embracethe sides of the frame A2, and are rigidly secured thereto by suitablescrews threaded into the sides of the frame and the upper portion of thejaw A2. The lower portion of the guide-bracket E extends downwardly towithin a short distance from the extremity of the jaw A2, but far enoughtherefrom to permit the end of the carrier and the feed-rod to pass tothe limit of their stroke.

A suitable spring D3 is secured at its lower end to the carrier D and atits upper end to the lug a4, as shown in Fig. 2, which tends to retractthe plunger when released and also holds the feed-rod in proper positionwithin the opening a of the frame A3. If desired, a spring D3 may beprovided upon each side of the frame, in which case one of the springsD3 may be mounted as shown in Fig. 3. A suitable spring D4 may beemployed to open the jaws A2 B2. dlodesignates a stop adjustably carriedby said carrier D, said stop serving to limit the retraeting movement ofthe carrier.

The lever A is provided at a suit-able point on its upper side with alug f, to which is rotatably secured a reel F. The lasting-nails f' areformed continuous with each other and are wound upon the reel F.

In operating the improved lasting-tool above described the lasting-nailsare passed through the perforation in the plug a and down between thcinclined sides thereof and the leafspring c2, whereby the nails are heldin their operative position ready to be fed to the Work. The nails arethen passed down through the openings a of the frame A2, between thepoint of the feed-rod D2 and the inner face of the jaw A2, said faceforming an anvil toward which the nail-driver is carried, as clearlyshown in Figs. 4 and 5. The parts are now in the position shown in Fig.It and the tool is ready for operation. The lever-handles A and B aregrasped with one hand and the jaws A2 and B2 closed upon the work. Theplunger D is then forced downwardly, carrying with it the carrier andthe feed-rod, the sharp point of which engages the nail just back of thehead and forces the same into the work. When the plunger reaches theguidebracket F, the inclined face of the plunger engages t-he inclinedface of said bracket and the feed-rod is forced inwardly toward theframe A3 and against the nail with increasing force until at the end ofthe stroke the cuttingpoint of the feed-rod severs the lasting-nail,which has been driven up to its head in the work, the parts assu mingthe position shown in Fig. 5. Upon releasing the plunger the carrier isreturned to the position shown in Fig. 4 by means of the spring orsprings D2, the point of the feed-rod sliding back above the head of thenext nail to be driven. A suitable stop-plate A4 is pivoted to the frameA3 and adapted to engage a lug on the plunger to lock the parts in theirraised position when desired.

As will be seen by referring to the drawings, the plunger has a truereciprocating movement within the frame A3, by means of which there canbe no binding of the parts; but the carrier D, which is operated by themovement of the plunger, has no such true movement, it being capable ofbeing oscillated on its pivot, as heretofore described, and while saidcarrier is connected to said plunger, yet it is connected thereto andextends from a point away from the longitudinal center of said plunger.This construeiion enables me to provide a feed-bar or naildriver whichhas its longitudinal center eX- tending substantially in a directioncorresponding to the line of movement assumed during the severingoperation. In other words, the pressure placed on the nail-driver duringits severing operation is exerted in the direction of its longitudinalcenter in a manner similar to the action of a chisel, thus eliminatingto a great extent the liability of the cutter becoming broken, whichwould be the case where the cutting movement is at substantially rightangles to the longitudinal center of the cutter. I am therefore able tomake use of an extremely small and light cutter and am also able to makesuch cutter adjustable and removable within its carrier without the lossof strength. It also enables t-he use of a cutter which can be readilysharpened.

Another feature of my construction consists in the use of the stop d10.It being apparent that the feed-bar will be held yieldingly against thenail-strip by the springs D2, it will be seen that any movement of theplunger will cause the feed-bar to move along the nail-strip untilcontacting with a nail- IOC IIO

head, and further movement will feed the nail-strip forward and drivethe nail. As it may be necessary to use nails of different lengths, itwould be possible if the movement ofthe plunger were absolutely fixedthatin the case of small nails there would be a tendency of the feed-barfeeding two nails instead of one. This tendency is eliminated by the useofthe adjustable stop,whicl1 limits the upward movement of the plunger,and

therefore prevent-s the feed-bar 'passing to a point above the secondnail-head or the nailstrip, but does not restrict in any manner the feedand severing movement of the feedbar, the latter movement alwaysterminating at the same point.

It will be seen from the construction above described that if a nailbreaks off above the feed-rod it is only necessary to again raise theplunger to its full height, whereupon the feed-rod will engage and drivedown the next nail, or if a defective nail is engaged it is onlynecessary to operate the plunger and cut until a perfect nail isreached. Hence it will be seen it is never necessary to remove the partsof the tool to insure the proper feeding of the nails or remove brokenor bent nails.

While I -have herein shown a preferred form of carrying my inventioninto effect, yet I do not desire to limit myself to such preferreddetails of construction, but claim the right to use any and allmodifications thereof which will serve to carry into effect the objectsto be attained by this invention in so far as such modifications andchanges may fall within the spirit and scope of my said invention.

I claiml. A hand lasting-tool comprising two pivotally-connected levershaving gri pping-jaws 5 a frame connectedto one of said levers, saidframe having a socket; a plunger mounted in said socket; a cuttingfeed-rod and naildriver mountedon said plunger, the connection of saidfeed-rod and said plunger being at a point above the lower end of saidplunger and away from the longitudinal center thereof; and means forpositively forcing said feed-rod toward the frame to drive the nail andsever it after being driven.

2. A hand lasting-tool comprising two pivotally-mounted levers havinggripping-jaws; a frame connected to one of said levers, said framehaving a socket; a plunger mounted in said socket; a lateral extensionformed on said plunger above the lower end thereof a cutting feed-rodand nail-driver connected to said extension and means for positivelyforcing said feed-rod toward the frame to drive the nail and sever itafter being driven.

3. A hand lasting-tool comprising two pivotally-connected levers havinggripping-jaws;

.a frame connected to one of said levers, said frame having a socket; aplunger mounted in said socket; a lateral extensionL formed on saidplunger, said extension having an opening; a cutting-feed-rod carriermounted within said opening and having a loose connection with saidextension to allow of a limited oscillating movement, said carriersupporting a cutting feed-rod and means for positively forcing saidcarrier and its feed-rod toward the frame to drive the nail and sever itafter being driven.

4. A hand lasting-tool comprising two pivotally-connected levers havinggripping-jaws; a frame connected to one of said levers, said framehaving a socket; a plunger mounted in said socket; a lateral extensionformed on said plunger, said extension having an opening; acutting-feed-rod carrier mounted within said opening and having a looseconnection with said extension to allow of a limited oscillatingmovement, said carrier supporting a cutting feed-rod; and a guide,located in the path of movement of said carrier, for

tion with said extension to allow of a limited oscillating movement; afeed-rod and naildriver carried by said carrier, said feed-rod havingits longitudinal center extending in substantial alinement with thedirection of movement of the carrier during the severing operation; anda guide located in the path of movement of said feedrod for directingthe movement of said feed-rod toward said frame, whereby the nail willbe driven and severed.

6. In a hand lasting-tool the combination with levers having grippingjaws; and a frame carried thereby; of a plunger mounted to have avertical movement; a feed-rod carrier loosely connected to said plungerat a point away from the longitudinal center of said plunger; a feed-rodcarriedby said carrier, said feed-rod having its longitudinal centerextending in substantial alinement with the direction of movement of thecarrier during the severing operation; and means for positively forcingsaid feed-rod toward the frame to drive the nail and sever it afterbeing driven.

7. In a hand lasting-tool, an oscillating frame or carrier; a cuttingfeed-rod and naildriver removably and adjustably carried by saidcarrier, said feed-rod having its longitudinal center extending insubstantial alinement with the direction of movement of the carrierduring the severing operation; and an anvil toward which said driver isforced during said severing operation.

8. In a hand lasting-tool, an oscillating frame or carrier; means formoving the lower IOO end of said carrier toward and from an anvil InWitness whereof I have hereunto set my' formed on said tool; and aCutting feed-rod hand in the presence of two Witnesses. and nail-driverremovably and adjustably carried by said carrier, said feed-rod having 5its longitudinal center extending in a, dii'ee- VVitnesSes:

tion at an angle to the longitudinal center of WILLIAM B. ROBERTS, thecarrier. FRED. L. GAGNON.

NAPOLEON DUSSAULT.

